A birthday dinner among friends that the host unfortunately does not survive. He supposedly succumbed to a heart attack. Among the invited guests is the well-known herbalist witch from Baker Street. When another death occurs within the birthday party group, Inspector Wolfford is called to investigate. One thing is certain: this is murder. Moreover, a pentagram is painted on the victim's forehead. Inspector Wolfford turns to Sherlock Holmes for help. For the agitated London population, however, one thing soon becomes clear: the witch is the culprit, and the witch must burn!